<template>
  <div class="mod-config">
    <el-form :inline="true" :model="dataForm" @keyup.enter.native="getDataList()">
      <el-form-item>
        <el-input v-model="dataForm.key" placeholder="参数名" clearable></el-input>
      </el-form-item>
      <el-form-item>
        <el-button @click="getDataList()">查询</el-button>
        <el-button v-if="isAuth('ware:brand:save')" type="primary" @click="addOrUpdateHandle()">新增</el-button>
        <el-button v-if="isAuth('ware:brand:delete')" type="danger" @click="deleteHandle()" :disabled="dataListSelections.length <= 0">批量删除</el-button>
      </el-form-item>
    </el-form>
    <el-table
      :data="dataList"
      border
      v-loading="dataListLoading"
      @selection-change="selectionChangeHandle"
      style="width: 100%;">
      <el-table-column
        type="selection"
        header-align="center"
        align="center"
        width="50">
      </el-table-column>
      <el-table-column
        prop="brandId"
        header-align="center"
        align="center"
        label="品牌id">
      </el-table-column>
      <el-table-column
        prop="name"
        header-align="center"
        align="center"
        label="品牌名">
      </el-table-column>
      <el-table-column
        prop="logo"
        header-align="center" 
        align="center"
        label="品牌logo地址">
        <!--在查询列表显示图片-->
        <template slot-scope="scope">
            <!--v-if用来判断如果有上传图片就显示，没有上传图片就不显示-->
            <img v-if="scope.row.logo" :src="scope.row.logo" width="100px" height="80px" />
        </template>
      </el-table-column>
      <el-table-column
        prop="descript"
        header-align="center"
        align="center"
        label="介绍">
      </el-table-column>
      <el-table-column
        prop="showStatus"
        header-align="center"
        align="center"
        label="显示状态">

        <template slot-scope="scope">
          <!--使用@change代表是使用一个事件（函数方法updateBrandStatus(参数是这一行数据)）
            在属性前面加入":"代表是绑定的，如果值是1就显示，0就隐藏
          -->
          <el-switch 
            v-model="scope.row.showStatus" 
            active-color="#13ce66" 
            inactive-color="#ff4949"
            :active-value="1"
            :inactive-value="0"
            @change="updateBrandStatus(scope.row)">
          </el-switch>
        </template>

      </el-table-column>
      <el-table-column
        prop="firstLetter"
        header-align="center"
        align="center"
        label="检索首字母">
      </el-table-column>
      <el-table-column
        prop="sort"
        header-align="center"
        align="center"
        label="排序">
      </el-table-column>
      <el-table-column
        fixed="right"
        header-align="center"
        align="center"
        width="200"
        label="操作">
        <template slot-scope="scope">
          <el-button type="text" size="small" @click="updateCatelogHandle(scope.row.brandId)">关联分类</el-button>
          <el-button type="text" size="small" @click="addOrUpdateHandle(scope.row.brandId)">修改</el-button>
          <el-button type="text" size="small" @click="deleteHandle(scope.row.brandId)">删除</el-button>
        </template>
      </el-table-column>
    </el-table>
    <el-pagination
      @size-change="sizeChangeHandle"
      @current-change="currentChangeHandle"
      :current-page="pageIndex"
      :page-sizes="[10, 20, 50, 100]"
      :page-size="pageSize"
      :total="totalPage"
      layout="total, sizes, prev, pager, next, jumper">
    </el-pagination>
    <!-- 弹窗, 新增 / 修改 -->
    <add-or-update v-if="addOrUpdateVisible" ref="addOrUpdate" @refreshDataList="getDataList"></add-or-update>
    <el-dialog title="关联分类" :visible.sync="cateRelationDialogVisible" width="30%" @close="closeDialogHandler">
      <el-popover placement="right-end" v-model="popCatelogSelectVisible">
        <category-cascader :catelogPath.sync="catelogPath"></category-cascader>
        <div style="text-align: right; margin: 0">
          <el-button size="mini" type="text" @click="popCatelogSelectVisible = false">取消</el-button>
          <el-button type="primary" size="mini" @click="addCatelogSelect">确定</el-button>
        </div>
        <el-button slot="reference">新增关联</el-button>
      </el-popover>
      <el-table :data="cateRelationTableData" style="width: 100%">
        <el-table-column prop="id" label="#"></el-table-column>
        <el-table-column prop="brandName" label="品牌名"></el-table-column>
        <el-table-column prop="catelogName" label="分类名"></el-table-column>
        <el-table-column fixed="right" header-align="center" align="center" label="操作">
          <template slot-scope="scope">
            <el-button
              type="text"
              size="small"
              @click="deleteCateRelationHandle(scope.row.id,scope.row.brandId)"
            >移除</el-button>
          </template>
        </el-table-column>
      </el-table>
      <span slot="footer" class="dialog-footer">
        <el-button @click="cateRelationDialogVisible = false">取 消</el-button>
        <el-button type="primary" @click="cateRelationDialogVisible = false">确 定</el-button>
      </span>
    </el-dialog>
  </div>
</template>

<script>
  import AddOrUpdate from './brand-add-or-update'
  import CategoryCascader from "../common/category-cascader";
  export default {
    data () {
      return {
        dataForm: {
          key: ''
        },
        brandId: 0,
        catelogPath: [],
        dataList: [],
        cateRelationTableData: [],
        dataList: [],
        pageIndex: 1,
        pageSize: 10,
        totalPage: 0,
        dataListLoading: false,
        dataListSelections: [],
        addOrUpdateVisible: false,
        cateRelationDialogVisible: false,
        popCatelogSelectVisible: false
      }
    },
    components: {
      AddOrUpdate,
      CategoryCascader
    },
    activated () {
      this.getDataList()
    },
    methods: {
      closeDialogHandler(){
        this.catelogPath = []
      },
      addCatelogSelect() {
        //{"brandId":1,"catelogId":2}
        this.popCatelogSelectVisible =false;
        this.$http({
          url: this.$http.adornUrl("/product/categorybrandrelation/save"),
          method: "post",
          data: this.$http.adornData({brandId:this.brandId,catelogId:this.catelogPath[this.catelogPath.length-1]}, false)
        }).then(({ data }) => {
          this.getCateRelation();
          this.catelogPath = []
        });
      },
      updateCatelogHandle(brandId) {
        this.cateRelationDialogVisible = true;
        this.brandId = brandId;
        this.getCateRelation();
      },
      deleteCateRelationHandle(id, brandId) {
        this.$http({
          url: this.$http.adornUrl("/product/categorybrandrelation/delete"),
          method: "post",
          data: this.$http.adornData([id], false)
        }).then(({ data }) => {
          this.getCateRelation();
        });
      },
      getCateRelation() {
        this.$http({
          url: this.$http.adornUrl("/product/categorybrandrelation/catelog/list"),
          method: "get",
          params: this.$http.adornParams({
            brandId: this.brandId
          })
        }).then(({data}) => {
          this.cateRelationTableData = data.data;
        });
      },
      // 获取数据列表
      getDataList () {
        this.dataListLoading = true
        this.$http({
          url: this.$http.adornUrl('/product/brand/list'),
          method: 'get',
          params: this.$http.adornParams({
            'page': this.pageIndex,
            'limit': this.pageSize,
            'key': this.dataForm.key
          })
        }).then(({data}) => {
          if (data && data.code === 0) {
            this.dataList = data.page.list
            this.totalPage = data.page.totalCount
          } else {
            this.dataList = []
            this.totalPage = 0
          }
          this.dataListLoading = false
        })
      },
      //定义一个事件，必须的放在methods这个属性中，这是vue规定的
      //data：指的是传参，当用户点击时传参数过来
      updateBrandStatus(data){
        this.$http({
          //使用this.$http.adornUrl请求后台服务接口
          url: this.$http.adornUrl('/product/brand/update'),
          //请求的方式
          method: 'post',
          //this.$http.adornData：请求后台传递参数，引号中标记变量要与后台变量名对应
          data: this.$http.adornData({"brandId":data.brandId,"showStatus":data.showStatus},false)
        })
        //后台返回的
        .then(({data}) => {
          this.$message({
            message:"状态更新成功",
            type:"success"
          });
        });
      },
      // 每页数
      sizeChangeHandle (val) {
        this.pageSize = val
        this.pageIndex = 1
        this.getDataList()
      },
      // 当前页
      currentChangeHandle (val) {
        this.pageIndex = val
        this.getDataList()
      },
      // 多选
      selectionChangeHandle (val) {
        this.dataListSelections = val
      },
      // 新增 / 修改
      addOrUpdateHandle (id) {
        this.addOrUpdateVisible = true
        this.$nextTick(() => {
          this.$refs.addOrUpdate.init(id)
        })
      },
      // 删除
      deleteHandle (id) {
        var ids = id ? [id] : this.dataListSelections.map(item => {
          return item.brandId
        })
        this.$confirm(`确定对[id=${ids.join(',')}]进行[${id ? '删除' : '批量删除'}]操作?`, '提示', {
          confirmButtonText: '确定',
          cancelButtonText: '取消',
          type: 'warning'
        }).then(() => {
          this.$http({
            url: this.$http.adornUrl('/product/brand/delete'),
            method: 'post',
            data: this.$http.adornData(ids, false)
          }).then(({data}) => {
            if (data && data.code === 0) {
              this.$message({
                message: '操作成功',
                type: 'success',
                duration: 1500,
                onClose: () => {
                  this.getDataList()
                }
              })
            } else {
              this.$message.error(data.msg)
            }
          })
        })
      }
    }
  }
</script>
